<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>多值运动</title>
		<style>
			*{
				padding: 0%;
				margin: 0;
			}
			div{
				width: 350px;
				height: 150px;
				background-color: royalblue;
				margin: 20px 0;
				border: 4px solid #000;
				opacity: 0.3;
				filter: alpha:(opacity: 30);;
			}
		</style>
	</head>
	<body>
		<div></div>
		<div></div>
		<div></div>
	</body>
	<script src="js/MyAnimation.js" type="text/javascript" charset="utf-8"></script>
	<script type="text/javascript">
		window.onload = function() {
			var allBoxs = document.getElementsByTagName('div');
			allBoxs[0].onmouseover = function() {
				startAnimation(this,'opacity',100);
			}
			allBoxs[0].onmouseout = function() {
				startAnimation(this,'opacity',30);
			}
		}
		
	</script>
</html>